Gibraltar 2010
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| White to play and draw |
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48.Ke6
This loses, as the game continuation shows, but I have not given the move a question mark as Black's win is far from obvious.
One of the king-retreats draws, but which one?
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The key to working out which retreat draws is that the black king must be stopped from reaching c5, as once it gets there White's position is hopeless. That being the case, White must be able to meet ...Kc6 with Kd4. Therefore the correct move is 48.Ke4! and if 48...Kc6 then 49.Kd4. But losing is 48.Kd4? Kc6 49.Kd3 (49.Kc3 is no improvement) Kc5 50.Kc3 d5 51.cxd5 Kxd5 52.Kd3 Kc5 etc.
The game continued:
48...Kc6 49.Kf6 d5!
The only way to win as 49...Kc5 50.Kg6 Kxc4 51.Kxh6 d5 52.Kxg5 is dead-equal, according to the analysis engines Stockfish11 and Komodo11.01.
50.cxd5+ Kxd5 51.Kg6 b5 52.axb5 a4 53.Kxh6 a3 54.Kxg5 a2 55.h6 a1=Q 56.Kg6 Qh8 57.h7 Ke6 58.g5 Ke7
The engines give mate-in-six starting with 58...Qe8+.
59.Kh6 Kf7 60.g6+ Kf6 61.Kh5 Qc8 62.Kh4 Kxg6+ 0-1
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